CONSTANCE + FACTORIES = INSERTION ~~ Words Used : CONSTANCE, FACTORIES and INSERTION.
FACTORIES + FACTORIES = INCORRECT ~~ Words Used : FACTORIES and INCORRECT.
FACTORIES + REFERENCE = ASSOCIATE ~~ Words Used : ASSOCIATE, FACTORIES and REFERENCE.
The rules for cryptarithm puzzles are simple. Each letter represents one of the digits 0 to 9. Different letters represent different digits. The first digit in a number can't be 0. Your job is to find out what digit each letter represents. This page has links to puzzles containing "FACTORIES"